Ionia Weather Forecast

    • 56
    • 76

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

    • 65
    • 85

    Partly Sunny

    • 64
    • 83

    Rain Showers Likely

    • 63
    • 81

    Chance Thunderstorms

    • 61
    • 78

    Rain Showers Likely

Today 23 Jul Ontario

Sunny. Highs Ranging from around 70 on the Hilltops to the mid 70s across the lower Elevations. Light west Winds.

Tonight 23 Jul Ontario

Mainly clear. Cool with Lows in the lower 50s. Light west Winds.

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Ionia Temperature Statistics

July Temperature

Rochester, Greater Rochester International Airport (15.5 miles)

  • Lowest 20 July, 2026

    53.1 °F

  • Average July

    74.4 °F

  • Highest 1 July, 2026

    94.6 °F

Climate (2021–2026)

Rochester, Greater Rochester International Airport (15.5 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.5 °F
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